lianetm commented on code in PR #14346:
URL: https://github.com/apache/kafka/pull/14346#discussion_r1322293224


##########
clients/src/test/java/org/apache/kafka/clients/consumer/internals/OffsetsRequestManagerTest.java:
##########
@@ -455,6 +463,89 @@ public void testRequestFails_AuthenticationException() {
         assertEquals(0, requestManager.requestsToSend());
     }
 
+    @Test
+    public void testResetPositionsSendNoRequestIfNoPartitionsNeedingReset() {
+        
when(subscriptionState.partitionsNeedingReset(time.milliseconds())).thenReturn(Collections.emptySet());
+        requestManager.resetPositionsIfNeeded();
+        assertEquals(0, requestManager.requestsToSend());
+    }
+
+    @Test
+    public void testResetPositionsMissingLeader() {
+        expectFailedRequest_MissingLeader();
+        
when(subscriptionState.partitionsNeedingReset(time.milliseconds())).thenReturn(Collections.singleton(TEST_PARTITION_1));
+        
when(subscriptionState.resetStrategy(any())).thenReturn(OffsetResetStrategy.EARLIEST);
+        requestManager.resetPositionsIfNeeded();
+        verify(metadata).requestUpdate(false);
+        assertEquals(0, requestManager.requestsToSend());
+    }
+
+    @Test
+    public void testResetPositionsSuccess_NoLeaderEpochInResponse() {
+        
testResetPositionsSuccessWithLeaderEpoch(Metadata.LeaderAndEpoch.noLeaderOrEpoch());
+        verify(metadata, never()).updateLastSeenEpochIfNewer(any(), anyInt());
+    }
+
+    @Test
+    public void testResetPositionsSuccess_LeaderEpochInResponse() {

Review Comment:
   Done, added more unit tests, covering the validate positions



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